diff options
| author | Peter Hurley <peter@hurleysoftware.com> | 2016-01-09 21:13:44 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-17 12:31:02 -0800 |
| commit | c35f1234931e2cae81726440ad4df8ef1f313219 (patch) | |
| tree | a214c774d115f3765938bbb1abccd01608781af5 /include/linux | |
| parent | cccd9546e993ddcd10a482e43a821420cb09c05d (diff) | |
| download | lwn-c35f1234931e2cae81726440ad4df8ef1f313219.tar.gz lwn-c35f1234931e2cae81726440ad4df8ef1f313219.zip | |
tty: Wait interruptibly for tty lock on reopen
commit 0bfd464d3fdd5bb322f9cace4cc47f1796545cf7 upstream.
Allow a signal to interrupt the wait for a tty reopen; eg., if
the tty has starting final close and is waiting for the device to
drain.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/tty.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h index 5e31f1b99037..6b6e811f4575 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -654,6 +654,7 @@ extern long vt_compat_ioctl(struct tty_struct *tty, /* tty_mutex.c */ /* functions for preparation of BKL removal */ extern void __lockfunc tty_lock(struct tty_struct *tty); +extern int tty_lock_interruptible(struct tty_struct *tty); extern void __lockfunc tty_unlock(struct tty_struct *tty); extern void __lockfunc tty_lock_slave(struct tty_struct *tty); extern void __lockfunc tty_unlock_slave(struct tty_struct *tty); |